Synthesis, Characterization and Study of Phenol Adsorption Over MnOx- CeO<sub>2</sub>

ISSN: 2211-5455 (Online)
ISSN: 2211-5447 (Print)

Volume 6, 3 Issues, 2017

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Current Catalysis

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Shaobin Wang
Curtin University
Perth, WA 6845 U1987

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Synthesis, Characterization and Study of Phenol Adsorption Over MnOx- CeO2

Current Catalysis, 3(2): 166-171.

Author(s): Oriana. D&#39;Alessandro, Horacio Thomas and Jorge Sambeth.

Affiliation: Centro de Investigación y Desarrollo en Ciencias Aplicadas “Dr. Jorge J. Ronco” CINDECA - FCE, UNLP, CCT CONICET LA PLATA – 47 Nº 257 (1900) La Plata, Argentina.


Five MnOx-CeO2 samples with a molar ratio Mn-Ce between 0 and 100% were obtained by coprecipitation. The samples, which were called 10/0, 7/3, 5/5, 3/7, 0/10, were characterized by XRD, FTIR, XPS, specific surface area and TPR. Phenol was selected as pollutant. The adsorption of phenol from aqueous solution on Mn-Ce samples was carried out in a batch reactor at 25 and 50° C. The adsorption isotherms were described by Langmuir and Freundlich isotherm models and both model fitted. The characterization results showed the formation of solid solution where Mn3+ replaces Ce4+. The most active solid was Mn-Ce 7/3. The results showed that the adsorption process is a function of the Mn- Ce composition. Thermodynamics parameters ΔG0, ΔH0 and ΔS0 were calculated. These parameters indicated that the adsorption of phenol onto Mn-Ce was spontaneous and exothermic at 25 and 50 °C.


Adsorption, phenol, MnOx-CeO<sub>2</sub>.

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Article Details

Volume: 3
Issue Number: 2
First Page: 166
Last Page: 171
Page Count: 6
DOI: 10.2174/2211544702666131224233506
Price: $58

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